2,5-Dichloro-4-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-N,N-dimethylbenzenesulphonamide 61968-44-3 64501-19-5 Benzenesulfonamide, 2,5-dichloro-4-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-N,N-dimethyl- EINECS 264-924-8